Sunday, Jan 13, 2013 - 6:00 PMHISTORY DETECTIVES tells four stories of our nation's beginning. First, Eduardo Pagan starts with a simple bill of sale for a 17-year old "negro girl" and learns how young Willoby's life unfolds from being property to owning property. Then Gwen Wright traces a powder horn from a muddy Minnesota field to a military captain in Massachusetts during the American Revolution. D